In 2010, I wrote a series of blog posts on the health properties of potatoes (1, 2, 3). The evidence showed that potatoes are non-toxic, filling per calorie, remarkably nutritious, and can be eaten as almost the sole source of nutrition for extended periods of time (though I'm not recommending this). Traditional South American cultures such as the Quechua and Aymara have eaten potatoes as the major source of calories for generations without any apparent ill effects (3). This is particularly interesting since potatoes are one of the highest glycemic and most insulin-stimulating foods known.
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Is it Time to Re-write the Textbooks on Insulin and Obesity? Part II
Thursday, December 13, 2012 Posted by Unknown at 6:19 PM
A new paper published on December 6th in the journal Science once again tackles the question of whether elevated insulin drives the development of obesity (1). Mice were generated that lack Jun kinases 1 and 2 specifically in immune cells, impairing their ability to produce inflammation while having very few off-target effects. These mice do not become insulin resistant when placed on a fattening diet, and their insulin levels do not increase one iota. Are they protected from obesity? People who read the last post should know the answer already.
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